definition of sleep
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sleep sleep (slēp) n. A natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement and responsiveness to external stimuli.
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Sleep & Muscle Recovery Sleep is an active physiological process, one in which your body is busy carrying out vital activities, while you are unconscious. While asleep your body alternates between two forms of sleep: rapid eye movement, or REM, and non-REM sleep. This cycle repeats several times throughout the night.
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sleep Sleep is the act of slumbering, during which time your body systems refresh themselves. An example of sleep is laying in bed at night with your eyes closed and having no conscious thought for a period of seven or eight hours. Sleep is defined as to slumber, rest or be in a state of inactivity like sleep. An example of sleep is what you do when you go to bed at midnight, close your eyes and rest through the night.
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armodafinil (Nuvigil) Sleep apnea is defined as a reduction or cessation of breathing during sleep. The three types of sleep apnea are central apnea, obstructive apnea, and a mixture of central and obstructive apnea. Central sleep apnea is caused by a failure of the brain to activate the muscles of breathing during sleep.
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WHY DO WE SLEEP? â INTRODUCTION INTRODUCTION. We know that we need sleep, but exactly why is much harder to pin down. For millennia it was believed that sleep was merely a passive state in which the body and mind rested or, as Aristotle believed, just an unremarkable and unimportant period marked by an absence of our usual sense perceptions.
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- Define nap. nap synonyms, nap pronunciation, nap translation, English dictionary definition of nap. n. A brief sleep, often during the day. intr.v. napped , nap·ping , naps 1. To sleep for a brief period, often during the day; doze. 2. To be unaware of...
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Somniloquy: The Sounds of Sleep Talking | Treatment. Somniloquy, or sleep talking, is the production of speech or sounds during sleep without the person being aware. The sleep talking can range from basic sounds to lengthy sentences and can occur infrequently or multiple times throughout the same night.
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What you need to know about sleep apnea Sleep apnea is a common sleep disorder in which an individual's breathing repeatedly stops and starts during sleep. Symptoms include daytime sleepiness, loud snoring, and restless sleep. The involuntary pause in breathing can result either from a blocked airway or a signaling problem in the brain.
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Sleep onset From Wikipedia, the free encyclopedia. Sleep onset is the transition from wakefulness into sleep. Sleep onset usually transmits into non-rapid eye movement sleep (NREM sleep) but under certain circumstances (e.g. narcolepsy) it is possible to transit from wakefulness directly into rapid eye movement sleep (REM sleep). 1 History.
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What is sleep apnea? A. Sleep apnea is a disorder characterized by a reduction or pause of breathing (airflow) during sleep. It is common among adults but rare among children.
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sleep mode sleep mode. Related Terms. An energy-saving mode of operation in which all unnecessary components are shut down. Many battery-operated devices, such as notebook computers, support a sleep mode. When a notebook computer goes into sleep mode, it shuts down the display screen and disk drive.
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Sleep disorders guide Talking in your sleep is speaking while asleep without knowing about it. This used to be called somniloquy. Sleep talking is a type of parasomnia - an abnormal behaviour that takes place during sleep. Sleep talking seems to affect men and children more than it does women.
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Sleep disorder A sleep disorder, or somnipathy, is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental, social and emotional functioning.Polysomnography and actigraphy are tests commonly ordered for some sleep disorders. Sleep apnea, obstructive sleep apnea, obstruction of the airway during sleep, causing lack of sufficient deep sleep, often accompanied by snoring. 2  Other forms of sleep apnea are less common. 3  When air is blocked from entering into the lungs, the individual unconsciously gasps for air and sleep is disturbed.
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sleep slumber. To be asleep: sleep. Idioms: be in the land of Nod, catch some shuteye, sleep like a log, sleep tight.
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Polysomnography The name is derived from Greek and Latin roots: the Greek πολύς (polus for many, much, indicating many channels), the Latin somnus (sleep), and the Greek γράφειν (graphein, to write). Polysomnography is a comprehensive recording of the biophysiological changes that occur during sleep. It is usually performed at night, when most people sleep, though some labs can accommodate shift workers and people with circadian rhythm sleep disorders and do the test at other times of day.
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- Etymology[edit] First attested in 1981; dirt (alluding to a dead person’s burial in the earth) + nap (euphemistic in a manner similar to put to sleep). Noun[edit] (idiomatic, indelicate) A state of permanent rest; the state of death.
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Should I Turn My Computer Off Every Night or Is Sleep Mode Enough? Sleep Mode Basics. Sleep is a power-conserving function that allows you to quickly resume operations on your computer without having to wait the several minutes it can take to power on from a shut-down state. Sleep mode also saves all opened documents and programs, so you won't have to reopen these files again. Additionally any updates and notifications can be pushed through when your computer is in sleep mode. Sleep mode is like pressing a pause button on your computer: it stops, but is ready to resume within seconds.
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The Characteristics of Sleep The Characteristics of Sleep. At a Glance. Sleep is a state that is characterized by changes in brain wave activity, breathing, heart rate, body temperature, and other physiological functions. Depending on the sleep stage, different physiological functions may be more active and variable (for example, during REM sleep), or less active and more stable (for example, during NREM sleep).
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- Definition of nap. napped. ; napping. intransitive verb. 1 : to sleep briefly especially during the day : doze. 2 : to be off guard.
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Sleep Hygiene Sleep hygiene is a variety of different practices and habits that are necessary to have good nighttime sleep quality and full daytime alertness. Obtaining healthy sleep is important for both physical and mental health. It can also improve productivity and overall quality of life.
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Definitions &Translations sleep paralysis(Noun) The normal paralysis of the body that occurs during REM sleep. sleep paralysis(Noun) A situation where a person is not fully awake, and although conscious of their surroundings, unable to move or speak, often accompanied by feelings of terror.
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- Whereas the normative perspective attempts to describe the distinguishing characteristics of deviants, the relativistic perspective focuses on the social processes involved in audience definitions of deviance and reactions to persons who have been so defined.
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What Is a Sleep Specialist? A sleep specialist is a medical doctor who has completed additional education and training in the field of sleep medicine. Sleep medicine focuses on sleep, sleep disorders, and sleep-related conditions, and is a subspecialty within several medical specialties, including neurology, pulmonology, internal medicine, and psychiatry. Proper sleep plays an important role in good health.
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ETHICAL ISSUES IN CANCER PATIENT CARE SECOND EDITION A note on sleep. Sleep is a basic human need and is essential for good health, good quality of life and. performing well during the day. Several indicators can be used to describe sleep disturbance. or sleep disorders.
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- INTRODUCTION. For millennia it was believed that sleep was merely a passive state in which the body and mind rested or, as Aristotle believed, just an unremarkable and unimportant period marked by an absence of our usual sense perceptions.
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Sleep debt Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue. There are two kinds of sleep debt: the results of partial sleep deprivation and total sleep deprivation. Partial sleep deprivation occurs when a person or a lab animal sleeps too little for several days or weeks. Total sleep deprivation means being kept awake for at least 24 hours. There is debate in the scientific community over the specifics of sleep debt